diff mbox series

[5/5] arm64: dts: imx8mp: make 'dsp' node depend on 'aips5'

Message ID 20250221191909.31874-6-laurentiumihalcea111@gmail.com (mailing list archive)
State New
Headers show
Series imx8mp: add support for the IMX AIPSTZ bridge | expand

Commit Message

Laurentiu Mihalcea Feb. 21, 2025, 7:19 p.m. UTC 
From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>

The DSP may want to access peripherals on AIPSTZ5. To do so, the
security-related registers of the bridge have to be configured before
the DSP is started. Enforce a dependency on AIPSTZ5 by adding the
'access-controllers' property to the 'dsp' node.

Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 1 +
 1 file changed, 1 insertion(+)

Comments

Frank Li Feb. 21, 2025, 7:59 p.m. UTC | #1 
On Fri, Feb 21, 2025 at 02:19:09PM -0500, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
>
> The DSP may want to access peripherals on AIPSTZ5. To do so, the

It'd better descript as

The DSP need access ... at ... case.

Frank

> security-related registers of the bridge have to be configured before
> the DSP is started. Enforce a dependency on AIPSTZ5 by adding the
> 'access-controllers' property to the 'dsp' node.
>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index a1d9b834d2da..9ec51e7e6678 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -2423,6 +2423,7 @@ dsp: dsp@3b6e8000 {
>  			mboxes = <&mu2 2 0>, <&mu2 2 1>,
>  				<&mu2 3 0>, <&mu2 3 1>;
>  			memory-region = <&dsp_reserved>;
> +			access-controllers = <&aips5>;
>  			status = "disabled";
>  		};
>  	};
> --
> 2.34.1
>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index a1d9b834d2da..9ec51e7e6678 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -2423,6 +2423,7 @@  dsp: dsp@3b6e8000 {
 			mboxes = <&mu2 2 0>, <&mu2 2 1>,
 				<&mu2 3 0>, <&mu2 3 1>;
 			memory-region = <&dsp_reserved>;
+			access-controllers = <&aips5>;
 			status = "disabled";
 		};
 	};